Gaya APA
Ryan, J, S.
( tthn).
Ireland from A.D. 800 to A.D. 1600.
.
Dublin dsl:
Browne and Nolan.
Gaya MLA
Ryan, John,, S.J..
"Ireland from A.D. 800 to A.D. 1600. ".
Dublin dsl:
Browne and Nolan,
tthn.
Buku.